Pictures: Boeing ecoDemonstrator 757 visits NASA Langley

Kaitlin McKeown / Daily Press

A man walks by the Boeing ecoDemonstrator 757, a test plane visiting NASA Langley Research Center on Thursday in Hampton. The aircraft is powered by green diesel and has a non-stick coating to prevent insect residue from sticking to its wings.

A man walks by the Boeing ecoDemonstrator 757, a test plane visiting NASA Langley Research Center on Thursday in Hampton. The aircraft is powered by green diesel and has a non-stick coating to prevent insect residue from sticking to its wings. (Kaitlin McKeown / Daily Press)

Tom Farrell, an aerodynamics engineer at Boeing, shows a visitor samples of various types of non-stick coating at NASA Langley Research Center on Thursday in Hampton. The Boeing ecoDemonstrator 757, a test plane, visited NASA Langley on Thursday, featuring green diesel and a non-stick coating to prevent insect residue on its wings.

Tom Farrell, an aerodynamics engineer at Boeing, shows a visitor samples of various types of non-stick coating at NASA Langley Research Center on Thursday in Hampton. The Boeing ecoDemonstrator 757, a test plane, visited NASA Langley on Thursday, featuring green diesel and a non-stick coating to prevent insect residue on its wings.